... following equipments. The 3ply, 5ply, 7ply, and multi-function corrugated cardboard production line mainly consist of ... Stand, Pre-conditioner, Pre-heater, Auto-splicer, Single Facer, Conveying Span Bridge, Multi-ply Pre-heater, Glue Application ... Machine, Double Facer, Slitter Scorer, Cut-off, Conveyer and Stacker, Glue Making System, and Electric Control System ...